When you need maximum accuracy and reliability to get you through any tactical situation, look no further that the Bushnell AR Optics 4.5-18x40 Riflescope. Bushnell took the bedrock precepts behind every riflescope they build, optical precision, rugged reliability and uncompromising performance, and pushed them even father for the AR platform. Versatile optic featuring target turrets, side parallax adjustment and our Drop Zone .308 BDC reticle to accurately place rounds on target out to 600 yards.